plutino

American  

[ploo-tee-noh] / pluˈti noʊ /

noun

plural

plutinos

1. Astronomy. one of a group of objects in the Kuiper belt that, like Pluto, orbit the Sun two times for every three times that Neptune does.

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plutino Scientific  

/ plo̅o̅-tē′nō /

1. A trans-Neptunian Kuiper belt object that orbits the Sun in the same time period as Pluto, exactly two orbits for every three orbits that Neptune makes. Too small to be considered planets, plutinos make up approximately one fourth of the Kuiper Belt objects.

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